Multicast Listener Extensions for MIPv6 and PMIPv6 Fast Handovers
draft-ietf-multimob-fmipv6-pfmipv6-multicast-00

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Last updated 2012-12-03
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MULTIMOB Group                                         T C. Schmidt, Ed.
Internet-Draft                                               HAW Hamburg
Intended status: Experimental                               M. Waehlisch
Expires: June 6, 2013                               link-lab & FU Berlin
                                                               R. Koodli
                                                           Cisco Systems
                                                            G. Fairhurst
                                                  University of Aberdeen
                                                        December 3, 2012

   Multicast Listener Extensions for MIPv6 and PMIPv6 Fast Handovers
            draft-ietf-multimob-fmipv6-pfmipv6-multicast-00

Abstract

   Fast handover protocols for MIPv6 and PMIPv6 define mobility
   management procedures that support unicast communication at reduced
   handover latency.  Fast handover base operations do not affect
   multicast communication, and hence do not accelerate handover
   management for native multicast listeners.  Many multicast
   applications like IPTV or conferencing, though, are comprised of
   delay-sensitive real-time traffic and will benefit from fast handover
   execution.  This document specifies extension of the Mobile IPv6 Fast
   Handovers (FMIPv6) and the Fast Handovers for Proxy Mobile IPv6
   (PFMIPv6) protocols to include multicast traffic management in fast
   handover operations.  This multicast support is provided first at the
   control plane by a management of rapid context transfer between
   access routers, second at the data plane by an optional fast traffic
   forwarding that MAY include buffering.

Status of this Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

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   This Internet-Draft will expire on June 6, 2013.

Schmidt, et al.           Expires June 6, 2013                  [Page 1]
Internet-Draft        Multicast for FMIPv6/PFMIPv6         December 2012

Copyright Notice

   Copyright (c) 2012 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
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   described in the Simplified BSD License.

Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  4
   2.  Terminology  . . . . . . . . . . . . . . . . . . . . . . . . .  5
   3.  Protocol Overview  . . . . . . . . . . . . . . . . . . . . . .  5
     3.1.  Multicast Context Transfer between Access Routers  . . . .  6
     3.2.  Protocol Operations Specific to FMIPv6 . . . . . . . . . .  8
     3.3.  Protocol Operations Specific to PFMIPv6  . . . . . . . . . 10
   4.  Protocol Details . . . . . . . . . . . . . . . . . . . . . . . 13
     4.1.  Protocol Operations Specific to FMIPv6 . . . . . . . . . . 13
       4.1.1.  Operations of the Mobile Node  . . . . . . . . . . . . 13
       4.1.2.  Operations of the Previous Access Router . . . . . . . 14
       4.1.3.  Operations of the New Access Router  . . . . . . . . . 15
     4.2.  Protocol Operations Specific to PFMIPv6  . . . . . . . . . 15
       4.2.1.  Operations of the Mobile Node  . . . . . . . . . . . . 15
       4.2.2.  Operations of the Previous MAG . . . . . . . . . . . . 15
       4.2.3.  Operations of the New MAG  . . . . . . . . . . . . . . 16
       4.2.4.  IPv4 Support Considerations  . . . . . . . . . . . . . 17
   5.  Message Formats  . . . . . . . . . . . . . . . . . . . . . . . 18
     5.1.  Multicast Indicator for Proxy Router Advertisement
           (PrRtAdv)  . . . . . . . . . . . . . . . . . . . . . . . . 18
     5.2.  Extensions to Existing Mobility Header Messages  . . . . . 18
     5.3.  New Multicast Mobility Option  . . . . . . . . . . . . . . 18
     5.4.  New Multicast Acknowledgement Option . . . . . . . . . . . 20
     5.5.  Length Considerations: Number of Records and Addresses . . 22
     5.6.  MLD (IGMP) Compatibility Aspects . . . . . . . . . . . . . 22
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